The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2000
Filed:
Dec. 15, 1998
Applicant:
Inventor:
Bernard Zimmern, East Norwalk, CT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417310 ; 418195 ;
Abstract
A single screw compressor includes two gaterotors with associated capacity controller, at the start of the compressor one capacity controller is in a fully unloaded position, and the other capacity controller includes a slide, a thrust mechanism for moving the slide, and an elastic mechanism for holding the slide in a position of part load when the compressor is stopped, the elastic mechanism being deformed during start to let the slide reach a full load position as soon as the discharge pressure of the compressor reaches a set value.